Do Temporary or Limited Guardianship forms need to be notarized?

Do You happen to know a good place to find this form and also if We have to all be physically in the same room to have it signed and notarized. We are in Michigan right now and My older Son, who will be acting as temp. guardian for My 15 yr. old, is in California .
Thanks for the help !
Rachel O'Connor -

Rachel~
This is a form that we prepare. I do not know of any form available online, although it is possible that it exists, since the form is statutorily authorized. The form would need to be notarized, but only the parents need to sign.

The form is a limited Power of Attorney, delegating parental authority. It has nothing to do with guardianship, as only a court can appoint a guardian.